Larry Frank Cedar (born March 6, 1955) is an American actor. He is best known as one of the players of the highly-acclaimed Children's Television Workshop mathematics show, Square One TV on PBS from 1987 to 1994. Cedar is also known for playing "Leon", the opium addicted thief and faro dealer in the internationally acclaimed HBO series, Deadwood.
2026This Bloody CountryMovieas Josiah Ballard
2025Very Prosperous MenMovie
2025Abraham's Boys: A Dracula StoryMovieas Priest
2024Happy's PlaceTV showas Alvin · 1 episodes
2021Franz Kafka's THE BURROWMovie
2021Grand CrewTV showas Tripton · 1 episodes
2021Deep in the ForestMovieas Professor Gerald Loss2020Love and MonstersMovieas Elderly Colonist (uncredited)
2020LuckyMovieas Officer Pace2020The Call of the WildMovieas Grocer
2019When We DanceMovieas Henry
2018Killer Kate!Movieas Hank
2018Intrusive ThoughtsMovieas Voice #3
2018For the PeopleTV showas Judge Glenn Burr · 1 episodes
2017Marvel's RunawaysTV showas Preacher · 1 episodes
2017Law & Order True CrimeTV showas Milton Andersen · 2 episodes2017Young SheldonTV showas Lawrence · 1 episodes
2017The MidnightersMovieas Tyrell
2017Trial & ErrorTV showas Bucky · as Bucky Senior Jr. · as Bucky Senior, Sr. · 1 episodes
2016The BindingMovieas Dr. Kore
2016SolitaryMovieas Agent2015We Bare BearsTV showas Additional Voices (voice) · 1 episodes
2015Oliver, Stoned.Movieas Clown
2015Justice League: Gods and MonstersMovieas Pete Ross (voice)
2015Justice League: Throne of AtlantisMovieas Thomas Curry (voice)
2014In LucidityMovieas Dr. Eeden
2014She Sings to the StarsMovieas Lyle
2014Atlas Shrugged: Part IIIMovieas Dr. Floyd Ferris2014CosmosTV show1 episodes
2013MomTV showas Male Voiceover (voice) · 1 episodes
2013Somewhere SlowMovieas Jerry Franklin
2013SparksMovieas Mr. Prather
2013Would You RatherMovieas The Driver
2012PerceptionTV showas Mel Haberman · 1 episodes2011American Horror StoryTV showas Auctioneer · 1 episodes
2011Alyce KillsMovieas Harold
2011Midnight SonMovieas Detective Ginslegh
2011Harry's LawTV showas Dr. Robbins · 1 episodes
2010A Reuben by Any Other NameMovieas Benjamin2010The CraziesMovieas Ben Sandborn
2010Exquisite CorpseMovieas Dr Waldman2009CommunityTV showas Cornelius Hawthorne · 2 episodes
2008Terminator: The Sarah Connor ChroniclesTV showas Detective Crayton · 1 episodes2007National Treasure: Book of SecretsMovieas Control Room Guard
2007ChuckTV showas Interviewer · 1 episodes
2007Saving GraceTV showas Mr. Kelsey · 1 episodes2007Mad MenTV showas Wayne · 1 episodes
2007The RichesTV show1 episodes
2007The ½ Hour News HourTV showas Steven Campbell · 5 episodes
2006The ClassTV show1 episodes
2006HollywoodlandMovieas Chester Sinclair
2006The Ant BullyMovieas Ant #8 (voice)2005Ben 10TV showas Howell (voice) · 1 episodes
2005The Gingerdead ManMovieas Jimmy Dean
2005The CloserTV showas Dr. Nelson Graydon · 1 episodes2005Grey's AnatomyTV showas Dr. Cohn · 1 episodes
2005DuckMovieas Mr. Janney2005ConstantineMovieas Vermin Man2004HouseTV showas Ed Beringer · 1 episodes
2004Boston LegalTV showas Robert Hopper · 1 episodes
2004PaparazziMovieas Charlie
2004Justice League: Starcrossed - The MovieMovieas Radar Tech (voice)
2004DeadwoodTV showas Leon · 21 episodes2003NCISTV showas Jason Kaplan · 1 episodes2003Two and a Half MenTV showas Announcer (voice) · as Policeman #1 · 1 episodes
2002Without a TraceTV showas Ray Pallides · 1 episodes
2002The Master of DisguiseMovieas Businessman
2002The ShieldTV showas Stan Carlino · 1 episodes
2002DawgMovieas Spy Guy
2001Justice LeagueTV showas Radar Tech / Thanagarian Soldier (voice) · 1 episodes
2001AliasTV showas Heinrich Roemer · 1 episodes
2001Star Trek: EnterpriseTV showas Tessic · 1 episodes
2001Samurai JackTV showas Mr. Pibbles / Doorman (voice) · 1 episodes
2001The Zeta ProjectTV show2 episodes
2000Sleep Easy, Hutch RimesMovieas Walter
2000Boston PublicTV showas Johnson · 1 episodes
2000The DistrictTV showas Doctor · 1 episodes
2000Gilmore GirlsTV showas John · 1 episodes
2000Strong MedicineTV showas Gordon Edwards · 1 episodes
1999Batman BeyondTV showas Manor Cop (voice) · as Pilot (voice) · 1 episodes
1998Land of the FreeMovieas Agent Green1998CharmedTV showas Xar · 1 episodes
1998Mercy PointTV showas Charles Bantam · 8 episodes1998Fear and Loathing in Las VegasMovieas Car Rental Agent - Los Angeles
1998Style & SubstanceTV showas Sol · 1 episodes1997Kiss the GirlsMovieas Reporter
1997You WishTV showas Mummy · 1 episodes1997Stargate SG-1TV showas Ori Prior #2 · 1 episodes
1997NightwatchMovieas Waiter
1996Mary & TimMovieas Minister
1996Pinocchio's RevengeMovieas District Attorney
1996Dangerous MindsTV show1 episodes
1996Superman: The Animated SeriesTV showas First Mate (voice) · as Restaurant Owner (voice) · 1 episodes
1996The Lazarus ManTV show22 episodes
1995The Home CourtTV showas Attorney · 2 episodes
1995Caroline in the CityTV showas Wally · 1 episodes
1995Freakazoid!TV showas Oblongata (voice) · as Anton (voice) · as Chip Clavicle (voice) · as Bernt / Hans (voice) · 2 episodes
1995A.J.'s Time TravelersTV showas Ollie · 36 episodes
1995Star Trek: VoyagerTV showas Tersa · 1 episodes
1994EllenTV showas Desk Clerk · 1 episodes
1993Philadelphia Experiment IIMovieas Hank the Controller
1993FrasierTV showas Bunny #1 · 1 episodes
1993Star Trek: Deep Space NineTV showas Dr. Nydrom · 1 episodes
1992The BabeMovieas Forbes Field Announcer
1992Boris and NatashaMovieas Mr. X / Willie
1992Demonic ToysMovieas Peterson
1991Life StinksMovieas Paramedic
1990DonorMovieas Roger Ebersole
1990Get a LifeTV showas Ted · 2 episodes
1989Doogie Howser, M.D.TV showas Roger · 1 episodes
1989The New LassieTV show1 episodes
1989Saved by the BellTV showas Steven Jameson · 1 episodes
1989C.H.U.D. II: Bud the ChudMovieas Graves
1988Lucky StiffMovieas Tod
1988Feds!Movieas Howard Butz
1988Memories of MeMovieas 1st Assistant Director (Soap)
1987The HiddenMovieas Brem
198721 Jump StreetTV showas Charles Craig · 1 episodes
1987Square One TelevisionTV show231 episodes
1985Amazing StoriesTV showas Danny · 1 episodes
1985KicksMovieas Cop
1984Ghost WarriorMovieas Helicopter Observer
1984Who's the Boss?TV show1 episodes
1984DreamscapeMovieas The Snakeman
1984Calamity JaneMovieas Rev. Sipes
1983El NorteMovieas Bruce the Waiter
1983Twilight Zone: The MovieMovieas Creature
1983Love LettersMovieas Jake
1982American PlayhouseTV showas Bruce the Waiter · 1 episodes
1981Nashville GrabMovieas Donald Common
1980NightsideMovieas La Salle
1980The Kids Who Knew Too MuchMovieas Rizzo
1979The London ConnectionMovieas Roger Pike
1978Battlestar GalacticaTV showas Cadet Shields · 1 episodes
1972M*A*S*HTV show1 episodes
—Jackson's HoleMovieas Frank